Tech Lead – Cloud Call Controller
Core
Design and develop cloud media server and controller systems for a GenAI-powered mobile communication platform serving frontline workers in retail, hospitality, and manufacturing.
Role type
Senior IC Tech Lead (Cloud Media Systems)
Builds
Cloud media server, call controller software, and scalable signaling infrastructure for Theatro platform.
Domain
Telecommunications, Real-time media streaming, Cloud infrastructure
Deliverable
production ML models | product features | infrastructure
Required skills
C/C++ systems programming, UDP/TCP networking, RTP/RTCP timing models, WebRTC internals, SIP/VoIP signaling, SFU/MCU design, performance profiling, distributed systems architecture, Kubernetes, GCP
Preferred skills
AI voice system integration (STT/TTS/VAD), ACE framework, multi-region failover design
Technologies
C++, WebRTC, LiveKit, Janus, Docker, Kubernetes, GCP, ACE
Responsibilities
Own architecture and development of cloud media server and call controller software; Design scalable signaling infrastructure and media routing topologies; Lead debugging of complex production issues involving call failures and QoS degradation; Mentor engineers and guide architectural decisions.
Seniority
Senior, hands-on IC with mentorship duties